
html,
body {
    margin: 0px;
    height: 100%;
    width: 100%;
}

.container {
    width: 100%;
    height: 100%;
}

.text_marker {
    font: 15px bold sans-serif;
    color: #0000;
    text-shadow: 2px 0 white;
    background-color: #2695bbb3;
    border: 2px solid #43fff3;
    width: 120px;
    height: 40px;
    text-align: center;
}